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| author | Laurent Aimar <fenrir@videolan.org> | 2011-09-29 01:04:52 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-09-29 06:11:18 +0200 |
| commit | 41b7389cade702383e59343561776f83bb26e17f (patch) | |
| tree | e08963e931a5f9a764c5d981113d6e6fdb20e3ed /libavcodec | |
| parent | 56ee5a9ad1b385129c40ba4773f99bc5943ae8af (diff) | |
| download | ffmpeg-41b7389cade702383e59343561776f83bb26e17f.tar.gz | |
Prevent calling init_vlc() with invalid parameters in motionpixels decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/motionpixels.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/motionpixels.c b/libavcodec/motionpixels.c index 160508007d..165a3d1667 100644 --- a/libavcodec/motionpixels.c +++ b/libavcodec/motionpixels.c @@ -279,6 +279,8 @@ static int mp_decode_frame(AVCodecContext *avctx, if (sz == 0) goto end; + if (mp->max_codes_bits <= 0) + goto end; if (init_vlc(&mp->vlc, mp->max_codes_bits, mp->codes_count, &mp->codes[0].size, sizeof(HuffCode), 1, &mp->codes[0].code, sizeof(HuffCode), 4, 0)) goto end; mp_decode_frame_helper(mp, &gb); |